185949-85-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185949-85-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,9,4 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 185949-85:
(8*1)+(7*8)+(6*5)+(5*9)+(4*4)+(3*9)+(2*8)+(1*5)=203
203 % 10 = 3
So 185949-85-3 is a valid CAS Registry Number.